And he set the Levites in the house of the LORD with cymbals, with psalteries, and with harps, according to the commandment of David, and of Gad the king’s seer, and Nathan the prophet: for [so was] the commandment of the LORD by his prophets.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 29:25 >And he set the Levites in the house of the LORD with cymbals, with psalteries, and with harps, according to the commandment of David, and of Gad the king's seer, and Nathan the prophet; for the commandment was of the LORD by His prophets.